Here is info from the 2008 wiki:

Keep in mind -- for mapping purposes -- that the Hyatt is at 2799 Jefferson Davis Highway, Arlington, Virginia, 22202 close to 27th St. South. Seems to be about 0.4 miles from 23rd St. South.

Guides

• Washingtonian Restaurants and Dining - Includes 100 Best Bargain Restaurants and Dirt Cheap Eats.

• Restaurants the Concierge at the Hyatt recommends.

• Restaurants near the Hyatt

• The Beauty of Crystal City -- Crystal City Shops -- Dine

Restaurants

• Jaleo - Fairly good tapas restaurant that's a 10 minute walk from the Hyatt. -multiple veg. options

• Athena Pallas (on 23rd st) has some vegan options

• Urban Thai - 561 23rd Street, between S Fern St & S Eads St. -the pad thai is yummy!

• Deluxe Dinner -- Same block as Urban Thai

• Cafe Italia -- Same block as Urban Thai

• El Pollito -- Same block as Urban Thai. All things chicken.

• Sushi Garden -- 1680 Crystal Sq Arc. (703) 413-5477

• Boru -- 320 23rd ST South - Suite 300 -a sake bar?! sushi, hibachi

• Chili's (a chain, but good) -- a couple block from hotel going towards Metro Station

• Breakfast places in New Century II office building -- -- a couple block from hotel going towards Metro Station

• Ted's Montana Grill, 2200 Crystal Dr., (23rd St. S.), Arlington, VA, 703-416-8337

• Many of the others are major chains - Ruth's Chris, McCormick & Schmick, Morton's, Legal Seafood -- all good.

• Bebo Trattoria da Roberto Donna, a 140 seat restaurant in Crystal City, Virginia, serving casual Italian fare. Read about it here (link fixed). Evidently this may be a great opportunity to eat food by this chef at a reasonable price.

• Lebanese Taverna - 1101 S Joyce St, Arlington, VA, 703-241-8681 -vegetarian friendly

• Neramitra Thai

• Bangkok 54 Restaurant & Bar - 2919 Columbia Pike, Arlington, VA 22004 -- an authentic Thai food restaurant --- click Here  for more detail.

• National Diner 2650 Jefferson Davis Hwy, Arlington, at the Holiday Inn.  Good diner-style food, reasonable prices, breakfast all day.  Easy walk from the Hyatt.